With all 52 precincts in Yavapai County reporting, voters unofficially approved the measure 33,581 to 24,038, or 58.3 percent to 41.7 percent. An estimated 47.9 percent of registered voters participated in the in-person election. There was no vote-by-mail option for most voters.

With 95.6 percent of Coconino County polls reporting, voters in that county also approved the measure by a margin of 15,158 to 6,124 votes.

Statewide, Arizona voters appear to have unofficially approved the tax increase by a wide margin of 693,281 to 388,797, or 64.1 percent to 35.9 percent, with 98.7 percent of precincts reporting. Thirteen precincts spread out in Maricopa, Pima and Coconino counties have yet to deliver final numbers to the Arizona Secretary of State's Office.